AISI 410 Stainless Steel vs. AISI 420 Stainless Steel
Both AISI 410 stainless steel and AISI 420 stainless steel are iron alloys. Their average alloy composition is basically identical. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is AISI 410 stainless steel and the bottom bar is AISI 420 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 240 | |
| 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 16 to 22 | |
| 8.0 to 15 |
| Fatigue Strength, MPa | 190 to 350 | |
| 220 to 670 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 76 |
| Shear Strength, MPa | 330 to 470 | |
| 420 to 1010 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 770 | |
| 690 to 1720 |
| Tensile Strength: Yield (Proof), MPa | 290 to 580 | |
| 380 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 710 | |
| 620 |
| Melting Completion (Liquidus), °C | 1530 | |
| 1510 |
| Melting Onset (Solidus), °C | 1480 | |
| 1450 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 30 | |
| 27 |
| Thermal Expansion, µm/m-K | 11 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 3.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 3.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.0 | |
| 7.5 |
| Density, g/cm3 | 7.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 2.0 |
| Embodied Energy, MJ/kg | 27 | |
| 28 |
| Embodied Water, L/kg | 100 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 13 | |
| 14 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 97 to 110 | |
| 88 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 860 | |
| 380 to 4410 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 19 to 28 | |
| 25 to 62 |
| Strength to Weight: Bending, points | 19 to 24 | |
| 22 to 41 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 7.3 |
| Thermal Shock Resistance, points | 18 to 26 | |
| 25 to 62 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.15 | |
| 0.15 to 0.4 |
| Chromium (Cr), % | 11.5 to 13.5 | |
| 12 to 14 |
| Iron (Fe), % | 83.5 to 88.4 | |
| 82.3 to 87.9 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.75 | |
| 0 to 0.75 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.030 |